package rabbitmq.work;

import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
import rabbitmq.constant.Constants;

import java.io.IOException;
import java.util.concurrent.TimeoutException;

public class Producer {
    public static void main(String[] args) throws IOException, TimeoutException {
        // 1. 建立连接
        ConnectionFactory connectionFactory = new ConnectionFactory();
        connectionFactory.setHost(Constants.HOST);
        connectionFactory.setPort(Constants.PORT);
        connectionFactory.setUsername(Constants.USER_NAME);
        connectionFactory.setPassword(Constants.PASSWORD);
        connectionFactory.setVirtualHost(Constants.VIRTUAL_HOST);
        Connection connection = connectionFactory.newConnection();

        // 2. 开启信道
        Channel channel = connection.createChannel();

        // 3. 声明队列 使用内置交换机
        // 如果队列不存在， 则创建
        channel.queueDeclare(Constants.WORK_QUEUE, true, false, false, null);

        // 4. 发送消息
        for (int i = 0; i < 10; i++) {
            String message = "Hello work queue~ " + i;
            channel.basicPublish("", Constants.WORK_QUEUE, null, message.getBytes());
        }

        // 6. 释放资源
//        channel.close();
//        connection.close();
    }
}
